CN104020915A - Touch screen - Google Patents
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- CN104020915A CN104020915A CN201410261658.8A CN201410261658A CN104020915A CN 104020915 A CN104020915 A CN 104020915A CN 201410261658 A CN201410261658 A CN 201410261658A CN 104020915 A CN104020915 A CN 104020915A
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- circuit layer
- polarizer
- touch
- screen
- induction circuit
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Abstract
The invention discloses a touch screen. The touch screen comprises a capacitance induction circuit layer, a polarizer and cover plate glass, wherein the capacitance induction circuit layer, the polarizer and the cover plate glass are sequentially attached to an OLED panel. The lower surface of the capacitance induction circuit layer is attached to the upper surface of an OLED light emitting layer through optical transparent adhesive tape. A sticking layer is attached to the lower surface of the polarizer and the lower surface of the polarizer is attached to the upper surface of the capacitance induction circuit layer through the sticking layer. The cover plate glass is attached to the upper surface of the polarizer through optical transparent adhesive tape. According to the touch screen, the attaching position of the capacitance induction circuit layer and the polarizer POL is changed, the capacitance induction circuit layer is placed below the polarizer POL, and therefore part of light, reflected by the capacitance induction circuit layer, of external light is absorbed by the polarizer POL. Through the structure, reflection of the OLED panel to external light can be effectively reduced, the contrast ratio and visuality of the panel under highlight are improved; meanwhile, production manufacturing procedures and new materials are not added, namely, product cost is not increased.
Description
Technical field
The present invention relates to a kind of touch-screen, relate in particular to a kind of touch-screen that can reduce oled panel reflectivity.
Background technology
The visuality of mobile phone faceplate under high light is poor at present, and this is mainly because panel surface causes the reflection of sunshine is more intense.With respect to LCD panel, oled panel brightness is on the low side, in order to improve the contrast under high light, needs panel to have lower reflectivity.Consult shown in Fig. 1, the main module of oled panel comprises touch-screen 2 (Touch Panel at present, be called for short TP), polaroid 22 (Polarizer, be called for short POL) and luminescent layer 23 (Organic Light Emitting Diode, be called for short OLED), utilize polaroid 22 can absorb the surround lighting of luminescent layer 23 (OLED device) surface reflection, therefore panel reflectivity mainly by touch-screen 2 (TP) to external world the degree of polarization of reflection of light rate and polaroid 22 (POL) determine.And touch screen 2 to external world reflection of light some be that the capacitive sensing circuit layer 21 being comprised by its module internal causes.
The TP kind extensively adopting at present mainly comprises GG2, GG, OGS, GFF, G1F, GF2, GF1, wherein GG2, GG, GFF, GF2, GF1 adopts and pastes and mode is constructed, utilize optical cement (Optical ClearAdhesive, abbreviation OCA) by evaporation film and the cover-plate glass 24 of capacitive sensing circuit paste with together with.Subsides and the mode of the module of tradition oled panel are on the OLED device luminescent layer 23 completing in encapsulation, fit successively POL and TP.
Adopt said structure, TP internal capacitance sensor circuit structure can cause certain reflection to the surround lighting of incident, this reflected light is about 1.5%, this declines the contrast of panel under extraneous surround lighting, it occupies very high ratio in whole panel reflectivity, and the reflection that reduces this part can effectively improve the visuality of panel under high light.
Summary of the invention
Technical matters to be solved by this invention is to provide one can effectively reduce oled panel reflection of light to external world, improves the contrast of panel under high light and visual touch-screen.
For realizing above-mentioned technique effect, the invention discloses a kind of touch-screen, described touch-screen fits on oled panel, described touch-screen comprises a capacitive sensing circuit layer and is packaged in the cover-plate glass on described capacitive sensing circuit layer, between described capacitive sensing circuit layer and described cover-plate glass, is provided with one deck polaroid.
The present invention further improves and is, described cover-plate glass passes through optical clear glue laminating on described polaroid.
The present invention further improves and is, described polaroid is a rotatory polarization sheet, comprises a linear polarizer and a quarter wave plate, and the lower surface of described polaroid is attached with an adhesive-layer, and fits on described capacitive sensing circuit layer by described adhesive-layer.
The present invention further improves and is, described touch-screen passes through optical clear glue laminating on described oled panel.
The present invention is owing to having adopted above technical scheme, make it have following beneficial effect: by inserting one deck polaroid between the capacitive sensing circuit layer at touch-screen and cover-plate glass, the incident reflection of light that effectively Absorption Capacitance sensor circuit layer causes, reduce oled panel reflection of light to external world, improve the contrast of panel under high light with visual.
Brief description of the drawings
Fig. 1 is the schematic diagram of existing oled panel module bonding structure.
Fig. 2 is the schematic diagram of oled panel module bonding structure of the present invention.
Fig. 3 is the structural representation of polaroid.
Fig. 4 is that polaroid absorbs catoptrical schematic diagram.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is further detailed explanation.
Consult shown in Fig. 2, the invention discloses a kind of touch-screen 1, this touch-screen 1 fits on oled panel 11, touch-screen 1 comprises a capacitive sensing circuit layer 12 and is packaged in the cover-plate glass 14 on capacitive sensing circuit layer 12, wherein, between capacitive sensing circuit layer 12 and cover-plate glass 14, be provided with one deck polaroid 13.Cover-plate glass 14 passes through optical clear glue laminating on polaroid 13.
Polaroid 13 (Polarizer is called for short POL) is a rotatory polarization sheet, comprises a linear polarizer 131 and a quarter wave plate 132, and its structure as shown in Figure 3.The lower surface of polaroid 13 is attached with an adhesive-layer 130 (Adhesive Layer), fits in the upper surface of capacitive sensing circuit layer 12 by this adhesive-layer 130, is used for the incident reflection of light that Absorption Capacitance sensor circuit layer 12 internal circuit cause.Consult shown in Fig. 4, it is as follows that polaroid 13 absorbs catoptrical principle:
Quarter wave plate 132 (quarter-wave plate) is certain thickness birefringence monocrystalline thin slice, in the time that light normal incidence sees through, phasic difference between ordinary light (o light) and non-ordinary light (e light) equals pi/2 or its odd-multiple, and such wafer is called quarter-wave plate or quarter wave plate.When linearly polarized light vertical incidence quarter wave plate 132, and the axial plane of polarisation of light and mica (vertical natural parting plane) is while becoming θ=45 °, and emergent light is circularly polarized light.Circularly polarized light is after the 12 internal circuit reflections of capacitive sensing circuit layer, there is π phase delay, so its circularly polarized sense of rotation changes, become the polarization direction linearly polarized light vertical with linear polarizer polarization direction through quarter-wave plate again, therefore can being polarized sheet, this reflected light absorbs, can be from panel outgoing.Therefore polaroid POL is positioned over to capacitive sensing circuit layer 12 tops, can make the reflection quilt polaroid POL of the incident light that TP internal capacitance sensor circuit layer 12 causes absorb, can effectively reduce oled panel reflection of light to external world, improve the contrast of panel under high light with visual.The upper surface of polaroid 13 further passes through optical clear glue laminating in cover-plate glass 14.
Below embodiment has been described in detail the present invention by reference to the accompanying drawings, and those skilled in the art can make many variations example to the present invention according to the above description.Thereby some details in embodiment should not form limitation of the invention, the present invention by the scope defining using appended claims as protection scope of the present invention.
Claims (4)
1. a touch-screen, it is characterized in that: described touch-screen fits on oled panel, described touch-screen comprises a capacitive sensing circuit layer and is packaged in the cover-plate glass on described capacitive sensing circuit layer, between described capacitive sensing circuit layer and described cover-plate glass, is provided with one deck polaroid.
2. touch-screen as claimed in claim 1, is characterized in that: described cover-plate glass passes through optical clear glue laminating on described polaroid.
3. touch-screen as claimed in claim 1 or 2, it is characterized in that: described polaroid is a rotatory polarization sheet, comprise a linear polarizer and a quarter wave plate, the lower surface of described polaroid is attached with an adhesive-layer, and fits on described capacitive sensing circuit layer by described adhesive-layer.
4. touch-screen as claimed in claim 3, is characterized in that: described touch-screen passes through optical clear glue laminating on described oled panel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410261658.8A CN104020915B (en) | 2014-06-13 | 2014-06-13 | A kind of touch-screen |
| TW103127870A TWI533189B (en) | 2014-06-13 | 2014-08-14 | Touch panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410261658.8A CN104020915B (en) | 2014-06-13 | 2014-06-13 | A kind of touch-screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104020915A true CN104020915A (en) | 2014-09-03 |
| CN104020915B CN104020915B (en) | 2017-06-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410261658.8A Active CN104020915B (en) | 2014-06-13 | 2014-06-13 | A kind of touch-screen |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104020915B (en) |
| TW (1) | TWI533189B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105096758A (en) * | 2015-07-23 | 2015-11-25 | 上海和辉光电有限公司 | Display device |
| WO2017000618A1 (en) * | 2015-06-30 | 2017-01-05 | 京东方科技集团股份有限公司 | Touch screen and manufacturing method therefor, and touch display apparatus |
| CN107145255A (en) * | 2017-04-12 | 2017-09-08 | 深圳市骏达光电股份有限公司 | Curved touch screen and preparation method thereof |
| CN109659332A (en) * | 2017-10-11 | 2019-04-19 | 上海和辉光电有限公司 | Antireflection blocks water oxygen component and its manufacturing method, flexible display device |
| CN109659333A (en) * | 2017-10-11 | 2019-04-19 | 上海和辉光电有限公司 | Antireflection blocks water oxygen component and its manufacturing method, flexible display device |
| CN110708408A (en) * | 2019-11-05 | 2020-01-17 | 汕头超声显示器技术有限公司 | Mobile phone with curved screen |
| CN112131913A (en) * | 2019-06-25 | 2020-12-25 | Oppo广东移动通信有限公司 | Display module device, electronic apparatus, and method of assembling display module device |
| WO2021035897A1 (en) * | 2019-08-30 | 2021-03-04 | 北京小米移动软件有限公司 | Mobile terminal |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108873447B (en) * | 2018-06-14 | 2021-08-03 | 业成科技（成都）有限公司 | Touch control display device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101106294B1 (en) * | 2008-05-22 | 2012-01-18 | 주식회사 엘지화학 | Polarizer for oeld having improved brightness |
| CN203012295U (en) * | 2012-12-04 | 2013-06-19 | 深圳市三海光电技术有限公司 | Thin film type capacitive touch screen liquid crystal board module of transparent conducting film matched antireflective film |
-
2014
- 2014-06-13 CN CN201410261658.8A patent/CN104020915B/en active Active
- 2014-08-14 TW TW103127870A patent/TWI533189B/en active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017000618A1 (en) * | 2015-06-30 | 2017-01-05 | 京东方科技集团股份有限公司 | Touch screen and manufacturing method therefor, and touch display apparatus |
| CN105096758A (en) * | 2015-07-23 | 2015-11-25 | 上海和辉光电有限公司 | Display device |
| CN107145255A (en) * | 2017-04-12 | 2017-09-08 | 深圳市骏达光电股份有限公司 | Curved touch screen and preparation method thereof |
| CN109659332A (en) * | 2017-10-11 | 2019-04-19 | 上海和辉光电有限公司 | Antireflection blocks water oxygen component and its manufacturing method, flexible display device |
| CN109659333A (en) * | 2017-10-11 | 2019-04-19 | 上海和辉光电有限公司 | Antireflection blocks water oxygen component and its manufacturing method, flexible display device |
| CN112131913A (en) * | 2019-06-25 | 2020-12-25 | Oppo广东移动通信有限公司 | Display module device, electronic apparatus, and method of assembling display module device |
| WO2021035897A1 (en) * | 2019-08-30 | 2021-03-04 | 北京小米移动软件有限公司 | Mobile terminal |
| CN110708408A (en) * | 2019-11-05 | 2020-01-17 | 汕头超声显示器技术有限公司 | Mobile phone with curved screen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104020915B (en) | 2017-06-30 |
| TWI533189B (en) | 2016-05-11 |
| TW201546693A (en) | 2015-12-16 |
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Address after: 201506, No. nine, No. 1568, Jinshan Industrial Zone, Shanghai, Jinshan District Patentee after: Shanghai Hehui optoelectronic Co., Ltd Address before: 201508, building two, building 100, 1, Jinshan Industrial Road, 208, Shanghai, Jinshan District Patentee before: EverDisplay Optronics (Shanghai) Ltd. |